<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>preview_demo</title>
</head>
<style>
    html,
    body {
        padding: 0;
        margin: 0;
        background: #000;
    }
    
    .playWnd {
        width: 1000px;
        /*播放容器的宽和高设定*/
        height: 600px;
        border: 1px solid #000;
    }
    
    .playWnd img {
        display: none!important;
    }
</style>

<body>
    <img src='PreloaderDark.gif' width='44px' height='48px' alt='Preloader' style='position:absolute; top:50%; left:50%; margin-top:-22px; margin-left:-24px;'>
    <div id="playWnd" class="playWnd"></div>
</body>

<!--三个必要的js文件引入-->
<script src="./commonJS/jquery-1.12.4.min.js"></script>
<script src="./commonJS/jsencrypt.min.js"></script>
<!-- 用于RSA加密 -->
<script src="./commonJS/jsWebControl-1.0.0.min.js"></script>
<!-- 用于前端与插件交互 -->

<script type="text/javascript">
    //页面加载时创建播放实例初始化
    $(window).load(function() {
        initPlugin();

    });

    //声明公用变量
    var initCount = 0;
    var pubKey = '';
    var cameraIndexCodes = [];

    function getQueryVariable() {
        var s = window.location.href.toString();
        var d = s.indexOf('?');
        if (d == -1) return false;
        var args = s.substring(d + 1, s.length);
        cameraIndexCodes = args.split(";");

        if (cameraIndexCodes.length == 0) return false;
        return true;
    }

    // 创建播放实例
    function initPlugin() {
        var r = getQueryVariable();
        if (r === false) {
            $("#playWnd").html("创建WebControl实例失败");
            return false;
        }
        oWebControl = new WebControl({
            szPluginContainer: "playWnd", // 指定容器id
            iServicePortStart: 15900, // 指定起止端口号，建议使用该值
            iServicePortEnd: 15909,
            szClassId: "23BF3B0A-2C56-4D97-9C03-0CB103AA8F11", // 用于IE10使用ActiveX的clsid
            cbConnectSuccess: function() { // 创建WebControl实例成功											
                oWebControl.JS_StartService("window", { // WebControl实例创建成功后需要启动服务
                    dllPath: "./VideoPluginConnect.dll" // 值"./VideoPluginConnect.dll"写死 
                }).then(function() { // 启动插件服务成功
                    oWebControl.JS_SetWindowControlCallback({ // 设置消息回调
                        cbIntegrationCallBack: cbIntegrationCallBack
                    });

                    oWebControl.JS_CreateWnd("playWnd", 820, 600).then(function() { //JS_CreateWnd创建视频播放窗口，宽高可设定
                        init(); // 创建播放实例成功后初始化
                    });
                }, function() { // 启动插件服务失败
                });
            },
            cbConnectError: function() { // 创建WebControl实例失败
                oWebControl = null;
                $("#playWnd").html("插件未启动，正在尝试启动，请稍候...");
                WebControl.JS_WakeUp("VideoWebPlugin://"); // 程序未启动时执行error函数，采用wakeup来启动程序
                initCount++;
                if (initCount < 3) {
                    setTimeout(function() {
                        initPlugin();
                    }, 3000)
                } else {
                    $("#playWnd").html("插件启动失败，请检查插件是否安装！");
                }
            },
            cbConnectClose: function(bNormalClose) {
                // 异常断开：bNormalClose = false
                // JS_Disconnect正常断开：bNormalClose = true	
                console.log("cbConnectClose");
                oWebControl = null;
            }
        });
    }

    // 设置窗口控制回调
    function setCallbacks() {
        oWebControl.JS_SetWindowControlCallback({
            cbIntegrationCallBack: cbIntegrationCallBack
        });
    }

    // 推送消息
    function cbIntegrationCallBack(oData) {
        showCBInfo(JSON.stringify(oData.responseMsg));
    }

    //初始化
    function init() {
        getPubKey(function() {

            ////////////////////////////////// 请自行修改以下变量值	////////////////////////////////////		
            var appkey = "27274451"; //综合安防管理平台提供的appkey，必填
            var secret = setEncrypt("kE3XKfxy1e3L4NV1M83c"); //综合安防管理平台提供的secret，必填
            var ip = "172.16.10.2"; //综合安防管理平台IP地址，必填
            var playMode = 0; //初始播放模式：0-预览，1-回放
            var port = 443; //综合安防管理平台端口，若启用HTTPS协议，默认443
            var snapDir = "D:\\SnapDir"; //抓图存储路径
            var videoDir = "D:\\VideoDir"; //紧急录像或录像剪辑存储路径
            var layout = getLayOut(); //playMode指定模式的布局
            var enableHTTPS = 1; //是否启用HTTPS协议与综合安防管理平台交互，这里总是填1
            var encryptedFields = 'secret'; //加密字段，默认加密领域为secret
            var showToolbar = 1; //是否显示工具栏，0-不显示，非0-显示
            var showSmart = 1; //是否显示智能信息（如配置移动侦测后画面上的线框），0-不显示，非0-显示
            var buttonIDs = "0,16,256,257,258,259,260,512,513,514,515,516,517,768,769"; //自定义工具条按钮
            ////////////////////////////////// 请自行修改以上变量值	////////////////////////////////////

            oWebControl.JS_RequestInterface({
                funcName: "init",
                argument: JSON.stringify({
                    appkey: appkey, //API网关提供的appkey
                    secret: secret, //API网关提供的secret
                    ip: ip, //API网关IP地址
                    playMode: playMode, //播放模式（决定显示预览还是回放界面）
                    port: port, //端口
                    snapDir: snapDir, //抓图存储路径
                    videoDir: videoDir, //紧急录像或录像剪辑存储路径
                    layout: layout, //布局
                    enableHTTPS: enableHTTPS, //是否启用HTTPS协议
                    encryptedFields: encryptedFields, //加密字段
                    showToolbar: showToolbar, //是否显示工具栏
                    showSmart: showSmart, //是否显示智能信息
                    buttonIDs: buttonIDs //自定义工具条按钮
                })
            }).then(function(oData) {
                oWebControl.JS_Resize(820, 600); // 初始化后resize一次，规避firefox下首次显示窗口后插件窗口未与DIV窗口重合问题

                setTimeout(play, 1000);
                if (oWebControl != null) {
                    setTimeout(() => {
                        var width = document.body.clientWidth;
                        var height = document.body.clientHeight;

                        oWebControl.JS_Resize(width, height);
                        setWndCover();
                    }, 1000)

                }
            });
        });
    }

    function getLayOut() {
        var total = cameraIndexCodes.length;

        console.log(cameraIndexCodes)
        var layout = "";
        if (total < 3) {
            layout = "1x" + total;
        } else if (total == 3) {
            layout = "1+2";
        } else if (total == 4) {
            layout = "2x2";
        } else if (total == 5) {
            layout = "1+5";
        } else if (total == 6) {
            layout = "1+5";
        } else if (total == 7) {
            layout = "3+4";
        } else if (total == 8) {
            layout = "1+8";
        } else if (total == 9) {
            layout = "3x3";
        } else if (total == 10) {
            layout = "1+9";
        } else if (total < 17) {
            layout = "4x4";
        } else {
            layout = "5x5";
        }
        return layout;
    }

    //获取公钥
    function getPubKey(callback) {
        oWebControl.JS_RequestInterface({
            funcName: "getRSAPubKey",
            argument: JSON.stringify({
                keyLength: 1024
            })
        }).then(function(oData) {
            console.log(oData);
            if (oData.responseMsg.data) {
                pubKey = oData.responseMsg.data;
                callback()
            }
        })
    }

    //RSA加密
    function setEncrypt(value) {
        var encrypt = new JSEncrypt();
        encrypt.setPublicKey(pubKey);
        return encrypt.encrypt(value);
    }

    // 监听resize事件，使插件窗口尺寸跟随DIV窗口变化
    $(window).resize(function() {
        if (oWebControl != null) {
            oWebControl.JS_Resize(1000, 600);
            setWndCover();
        }
    });

    // 监听滚动条scroll事件，使插件窗口跟随浏览器滚动而移动
    $(window).scroll(function() {
        if (oWebControl != null) {
            oWebControl.JS_Resize(1000, 600);
            setWndCover();
        }
    });


    // 设置窗口裁剪，当因滚动条滚动导致窗口需要被遮住的情况下需要JS_CuttingPartWindow部分窗口
    function setWndCover() {
        var iWidth = $(window).width();
        var iHeight = $(window).height();
        var oDivRect = $("#playWnd").get(0).getBoundingClientRect();

        var iCoverLeft = (oDivRect.left < 0) ? Math.abs(oDivRect.left) : 0;
        var iCoverTop = (oDivRect.top < 0) ? Math.abs(oDivRect.top) : 0;
        var iCoverRight = (oDivRect.right - iWidth > 0) ? Math.round(oDivRect.right - iWidth) : 0;
        var iCoverBottom = (oDivRect.bottom - iHeight > 0) ? Math.round(oDivRect.bottom - iHeight) : 0;

        iCoverLeft = (iCoverLeft > 1200) ? 1000 : iCoverLeft;
        iCoverTop = (iCoverTop > 600) ? 600 : iCoverTop;
        iCoverRight = (iCoverRight > 1000) ? 1000 : iCoverRight;
        iCoverBottom = (iCoverBottom > 600) ? 600 : iCoverBottom;

        oWebControl.JS_RepairPartWindow(0, 0, 1001, 600); // 多1个像素点防止还原后边界缺失一个像素条
        if (iCoverLeft != 0) {
            oWebControl.JS_CuttingPartWindow(0, 0, iCoverLeft, 600);
        }
        if (iCoverTop != 0) {
            oWebControl.JS_CuttingPartWindow(0, 0, 1001, iCoverTop); // 多剪掉一个像素条，防止出现剪掉一部分窗口后出现一个像素条
        }
        if (iCoverRight != 0) {
            oWebControl.JS_CuttingPartWindow(1000 - iCoverRight, 0, iCoverRight, 600);
        }
        if (iCoverBottom != 0) {
            oWebControl.JS_CuttingPartWindow(0, 600 - iCoverBottom, 1000, iCoverBottom);
        }
    }

    //视频预览功能
    $("#startPreview").click(function() {

        oWebControl.JS_RequestInterface({
            funcName: "startMultiPreviewByCameraIndexCode",
            argument: JSON.stringify({
                list: [{
                        "authUuid": "1",
                        "cameraIndexCode": "92033f10187d4912b7b98e6faf51081a",
                        "ezvizDirect": 0,
                        "gpuMode": 0,
                        "streamMode": 0,
                        "transMode": 1,
                        "wndId": 1
                    }, {
                        "authUuid": "2",
                        "cameraIndexCode": "26e3585383c6410388fe5fe021d0097a",
                        "ezvizDirect": 0,
                        "gpuMode": 0,
                        "streamMode": 0,
                        "transMode": 1,
                        "wndId": 2
                    }, {
                        "authUuid": "4",
                        "cameraIndexCode": "26e3585383c6410388fe5fe021d0097a",
                        "ezvizDirect": 0,
                        "gpuMode": 0,
                        "streamMode": 0,
                        "transMode": 1,
                        "wndId": 4
                    }

                ]
            })
        })


    });

    //停止全部预览
    $("#stopAllPreview").click(function() {
        oWebControl.JS_RequestInterface({
            funcName: "stopAllPreview"
        });
    });


    function play() {
        var lists = [];
        $.each(cameraIndexCodes, function(i, cameraIndexCode) {
            var arr = {
                "authUuid": Math.ceil(Math.random() * 1000),
                "cameraIndexCode": cameraIndexCode,
                "ezvizDirect": 0,
                "gpuMode": 0,
                "streamMode": 0,
                "transMode": 1,
                "wndId": i + 1
            };
            lists.push(arr);
        })


        oWebControl.JS_RequestInterface({
            funcName: "startMultiPreviewByCameraIndexCode",
            argument: JSON.stringify({
                list: lists
            })
        });

    }

    // 标签关闭
    $(window).unload(function() {
        if (oWebControl != null) {
            oWebControl.JS_HideWnd(); // 先让窗口隐藏，规避可能的插件窗口滞后于浏览器消失问题 
            oWebControl.JS_Disconnect().then(function() { // 断开与插件服务连接成功
                },
                function() { // 断开与插件服务连接失败
                });
        }
    });
</script>

</html>